Functions

The following functions (opens new window) are available to Twig templates in Craft:

Function	Description
actionInput	Outputs a hidden `action` input.
actionUrl	Generates a controller action URL.
alias	Parses a string as an alias.
attr	Generates HTML attributes.
attribute (opens new window)	Accesses a dynamic attribute of a variable.
beginBody	Outputs scripts and styles that were registered for the “begin body” position.
block (opens new window)	Prints a block’s output.
canCreateDrafts canDelete canDeleteForSite canDuplicate canSave canView	Check permissions for a given element.
ceil	Rounds a number up.
className	Returns the fully qualified class name of a given object.
clone	Clones an object.
collect	Returns a new collection.
combine	Combines two arrays into one.
configure	Sets attributes on the passed object.
constant (opens new window)	Returns the constant value for a given string.
cpUrl	Generates a control panel URL.
create	Creates a new object.
csrfInput	Returns a hidden CSRF token input.
cycle (opens new window)	Cycles on an array of values.
dataUrl	Outputs an asset or file as a base64-encoded data URL.
date	Creates a date.
dump	Dumps information about a variable.
encodeUrl	Encodes and unencoded components of a URL.
endBody	Outputs scripts and styles that were registered for the “end body” position.
entryType	Gets an entry type definition by its handle.
expression	Creates a database expression object.
failMessageInput	Outputs a hidden `failMessage` input.
fieldValueSql	Generates an SQL expression for accessing specific fields in elements’ JSON content column.
floor	Rounds a number down.
getenv	Returns the value of an environment variable.
gql	Executes a GraphQL query against the full schema.
head	Outputs scripts and styles that were registered for the “head” position.
hiddenInput	Outputs a hidden input.
include (opens new window)	Returns the rendered content of a template.
input	Outputs an HTML input.
max (opens new window)	Returns the biggest value in an array.
min (opens new window)	Returns the lowest value in an array.
ol	Outputs an array of items as an ordered list.
parent (opens new window)	Returns the parent block’s output.
parseBooleanEnv	Parses a string as an environment variable or alias having a boolean value.
parseEnv	Parses a string as an environment variable or alias.
plugin	Returns a plugin instance by its handle.
random (opens new window)	Returns a random value.
range (opens new window)	Returns a list containing an arithmetic progression of integers.
raw	Wraps the given string in a `Twig\Markup` object to prevent it from getting HTML-encoded when output.
redirectInput	Outputs a hidden `redirect` input.
renderObjectTemplate	Renders an object template.
seq	Outputs the next or current number in a sequence.
shuffle	Randomizes the order of the items in an array.
siteUrl	Generates a front-end URL.
source	Returns the content of a template without rendering it.
successMessageInput	Outputs a hidden `successMessage` input.
svg	Outputs an SVG document.
tag	Outputs an HTML tag.
template_from_string (opens new window)	Loads a template from a string.
ul	Outputs an array of items as an unordered list.
url	Generates a URL.

# `actionInput`

A shortcut for outputting a hidden input used to route a POST request to a particular controller action. This is effectively the same as writing <input type="hidden" name="action" value="controller/action/route"> directly into a template.

{{ actionInput('users/save-user') }}

You can optionally set additional attributes on the tag by passing an options argument.

{{ actionInput('users/save-user', {
  id: 'action-input'
}) }}

# `actionUrl`

Returns a controller action URL, automatically accounting for relative vs. absolute format and the active actionTrigger setting.

# Arguments

The actionUrl() function has the following arguments:

path – The path that the resulting URL should point to on your site. It will be appended to your base site URL.
params – Any query string parameters that should be appended to the URL. This can be either a string (e.g. 'foo=1&bar=2') or a hash (e.g. { foo: '1', bar: '2' }).
scheme – Which scheme the URL should use ('http' or 'https'). The default value depends on whether the current request is served over SSL or not. If not, then the scheme in your Site URL will be used; if so, then https will be used.

# `alias`

Passes a string through Craft::getAlias() (opens new window), which will check if the string begins with an alias (opens new window). (See Configuration for more info.)

<img src="{{ alias('@assetBaseUrl/images/logo.png') }}">

# `attr`

Generates a list of HTML attributes based on the given hash, using yii\helpers\BaseHtml::renderTagAttributes() (opens new window).

{% set myAttributes = {
  class: ['one', 'two'],
  disabled: true,
  readonly: false,
  data: {
    baz: 'Escape this "',
    qux: {
      some: ['data', '"quoted"']
    }
  },
  style: {
    'background-color': 'red',
    'font-size': '20px'
  },
} %}

<div {{ attr(myAttributes) }}></div>

Attribute values are HTML-encoded automatically:

<div {{ attr({ title: 'Greetings & Salutations' }) }}></div>
{# Output: <div title="Greetings &amp; Salutations"> #}

# `beginBody`

Outputs any scripts and styles that were registered for the “begin body” position. It should be placed right after your <body> tag.

<body>
  {{ beginBody() }}

  <h1>{{ page.name }}</h1>
  {{ page.body }}
</body>

# `block`

Prints a block’s output.

This works identically to Twig’s core block (opens new window) function.

# `canCreateDrafts`

Checks whether the current user (or a specific user, when provided) can create drafts from the passed element.

{% if canCreateDrafts(entry) %}
  <a href="{{ entry.getCpEditUrl() }}">Edit</a>
{% endif %}

# `canDelete`

Checks whether the current user (or a specific user, when provided) can delete the passed element.

{% if canDelete(entry) %}
  <a href="{{ entry.getCpEditUrl() }}">Edit</a>
{% endif %}

# `canDeleteForSite`

Checks whether the current user (or a specific user, when provided) can delete the passed element from the site it was loaded in.

{% if canDeleteForSite(entry) %}
  <a href="{{ entry.getCpEditUrl() }}">Edit</a>
{% endif %}

# `canDuplicate`

Checks whether the current user (or a specific user, when provided) can duplicate the passed element.

{% if canDuplicate(entry) %}
  <a href="{{ entry.getCpEditUrl() }}">Edit</a>
{% endif %}

# `canSave`

Checks whether the current user (or a specific user, when provided) can save the passed element.

{% if canSave(entry) %}
  <a href="{{ entry.getCpEditUrl() }}">Edit</a>
{% endif %}

# `canView`

Checks whether the current user (or a specific user, when provided) can view the passed element within the control panel.

{% if canView(entry) %}
  <a href="{{ entry.getCpEditUrl() }}">Edit</a>
{% endif %}

# `ceil`

Rounds a number up.

{{ ceil(42.1) }}
{# Output: 43 #}

# `className`

Returns the fully qualified class name of a given object.

{% set class = className(entry) %}
{# Result: 'craft\\elements\\Entry' #}

# `clone`

Clones a given object.

{% set query = craft.entries().section('news') %}
{% set articles = clone(query).type('articles') %}

# `collect`

Returns a new collection.

{% set collection = collect(['a', 'b', 'c']) %}

# `combine`

Combines two arrays into one, using the first array to define the keys, and the second array to define the values.

{% set arr1 = ['a', 'b', 'c'] %}
{% set arr2 = ['foo', 'bar', 'baz'] %}
{% set arr3 = combine(arr1, arr2) %}
{# arr3 will now be `{a: 'foo', b: 'bar', c: 'baz'}` #}

# `configure`

Passes through the behavior of the Craft::configure() method inherited from Yii::configure() (opens new window). It’s similar to create in that it applies attributes to an object, but instead of creating new instances it accepts an existing object and modifies it.

{# Modify an `EntryQuery` object set up by a relational field: #}
{% set myRelatedEntries = configure(entry.myEntriesField, {
  section: 'blog'
}).all() %}

configure() can be used to set a model or element’s attributes—but we don’t generally recommend this, as templates are intended to present content rather than modify it:

{% do configure(entry, { title: 'New Title' }) %}
{% do craft.app.elements.saveElement(entry) %}

# `constant`

Returns the constant value for a given string.

This works identically to Twig’s core constant (opens new window) function.

# `cpUrl`

Returns a control panel URL, automatically accounting for relative vs. absolute format and the active cpTrigger setting.

<a href="{{ cpUrl('settings') }}">Visit control panel settings</a>

# Arguments

The cpUrl() function has the following arguments:

path – The path that the resulting URL should point to on your site. It will be appended to your base site URL.
params – Any query string parameters that should be appended to the URL. This can be either a string (e.g. 'foo=1&bar=2') or a hash (e.g. {foo:'1', bar:'2'}).
scheme – Which scheme the URL should use ('http' or 'https'). The default value depends on whether the current request is served over SSL or not. If not, then the scheme in your Site URL will be used; if so, then https will be used.

# `create`

Creates a new object instance based on a given class name or object configuration. See Yii::createObject() (opens new window) for a full explanation of supported arguments.

{# Pass in a class name #}
{% set cookie = create('yii\\web\\Cookie') %}

{# Or a full object configuration hash #}
{% set cookie = create({
  class: 'yii\\web\\cookie',
  name: 'foo',
  value: 'bar'
}) %}

# `csrfInput`

Renders a CSRF token input element for use in an HTML form. All sites that have CSRF protection enabled must include this in each form that makes a POST request.

Usage
Output

{{ csrfInput() }}

You can set additional attributes on the rendered tag by passing an options argument:

{{ csrfInput({
  id: 'my-csrf-input',
}) }}

A special async key in the passed object allows you to override the global asyncCsrfInputs setting 5.1.0+:

{{ csrfInput({
  async: true,
}) }}

The output of csrfInput() should not be cached—statically, or using template caches.

# `dataUrl`

Outputs an asset or file as a base64-encoded data URL (opens new window). You can pass it an craft\elements\Asset (opens new window) object or a file path (optionally using an alias).

{# Asset object `myLogoAsset` #}
<img src="{{ dataUrl(myLogoAsset) }}" />

{# File path, optionally using an alias #}
<img src="{{ dataUrl('@webroot/images/my-logo-asset.svg') }}" />

{# Output: <img src="data:image/svg+xml;base64,PHN2ZyBoZWlnaHQ9IjEwMCIgdmd(...)" /> #}

The dataUrl() function has the following arguments:

file - The asset or path to a file to be encoded.
mimeType - Optional MIME type. If omitted, the file’s MIME type will be determined automatically.

# `date`

Converts an argument to a date to allow comparison, like Twig’s date() function (opens new window).

The argument can be one of PHP’s supported date and time formats (opens new window), or additionally a date/time array.

{% if date(asset.dateModified) < date('-2days') %}
  {# asset is not new #}
{% endif %}

A null or empty argument defaults to the current date:

{% if date() > date('2021/06/01') %}
  {# today is past June 1, 2021 #}
{% endif %}

Craft additionally supports passing a date/time array:

{% set myDate = {
  date: '2021-01-15',
  timezone: 'America/Los_Angeles',
  time: '10:57',
} %}

{% if now > date(myDate) %}
  {# today is past January 15, 2021 #}
{% endif %}

# `dump`

Overrides Twig’s default dump() (opens new window) function with one that is available in all contexts (not just when the Twig environment is in “debug” mode), and produces consistent output with the {% dd %} tag.

{% set news = craft.entries()
  .section('news')
  .all() %}

{{ dump(news|column('title')) }}

# `encodeUrl`

Ensures a URL contains only ASCII characters. The underlying craft\helpers\UrlHelper::encodeUrl() (opens new window) function is automatically called by Craft’s internal redirection logic. This is typically only required when using a URL in an HTTP header. Supposing we have a URL with accented characters like https://my-project.ddev.site/pages/åbçdé…

{# …unencoded output leads to garbled characters, and won’t resolve if requested: #}
{% header "X-See-Also: #{entry.url}" %}
{# -> https://my-project.ddev.site/Ã¥bÃ§dÃ©  #}

{# …but encoding the output preserves the original accented characters: #}
{% header "X-See-Also: #{encodeUrl(entry.url)}" %}
{# -> https://my-project.ddev.site/%C3%A5b%C3%A7d%C3%A9 #}

# `endBody`

Outputs any scripts and styles that were registered for the “end body” position. It should be placed right before your </body> tag.

<html>
  <head>
    {# ... #}
  </head>
  <body>
    <h1>{{ page.name }}</h1>
    {{ page.body }}

    {{ endBody() }}
  </body>
</html>

# `entryType`

Get a reference to an entry type, by its handle:

{% set type = entryType('post') %}

{{ type.name }}

This is equivalent to using the entries service, directly:

{% set type = craft.app.entries.getEntryTypeByHandle('post') %}

{{ type.name }}

When creating entries in a front-end form, you can use the entryType() function to find the correct ID to submit (IDs can be unstable between environments, due to the way project config works):

<form method="post">
  {{ csrfInput() }}
  {{ actionInput('entries/save-entry') }}

  {{ hiddenInput('typeId', entryType('post').id) }}

  {# ... #}
</form>

# `expression`

Creates and returns a new yii\db\Expression (opens new window) object, for use in database queries.

{% set entries = craft.entries()
  .andWhere(expression('[[authorId]] = :authorId', {authorId: currentUser.id}))
  .all() %}

# `failMessageInput`

Shortcut for typing <input type="hidden" name="failMessage" value="{{ 'Custom fail message'|hash }}">.

{{ failMessageInput('Custom fail message') }}

You can optionally set additional attributes on the tag by passing an options argument.

{{ failMessageInput('Custom fail message', {
  id: 'fail-message-input'
}) }}

# `fieldValueSql`

Generates a platform-specific SQL expression to extract a value from elements’ JSON content column.

{% set longestFilm = craft.entries()
  .section('films')
  .max(fieldValueSql(entryType('film'), 'runtimeMinutes')) %}

Craft automatically handles this for orderBy() and select() expressions, as well as when using field methods, directly:

{% set shortFilms = craft.entries()
  .section('films')
  .runtimeMinutes('<= 20')
  .orderBy('runtimeMinutes DESC')
  .all() %}

# Arguments

provider — An object that implements craft\base\FieldLayoutProviderInterface, like an entry type or asset volume—basically anything that defines a field layout.

{# Load a field layout provider: #}
{# set volume = craft.app.volumes.getVolumeByHandle('photos') %}
{% set longExposures = craft.assets()
  .volume('photos')
  .andWhere('between', (fieldValueSql(volume, 'shutterSpeed')), 0.17, 1)
  .all() %}

The provider can also be passed from an existing resource, like entry.type.

fieldHandle — The field’s handle in the given field layout. This may be different than the field’s global definition—especially if the field is present multiple times in the layout.

# `floor`

Rounds a number down.

{{ floor(42.9) }}
{# Output: 42 #}

# `getenv`

Returns the value of an environment variable, using craft\helpers\App::env() (opens new window).

{{ getenv('MAPS_API_KEY') }}

Take care to not leak sensitive environment variables into your HTML!

# `gql`

Executes a GraphQL query against the full schema.

{% set result = gql('{
  entries (section: "news", limit: 2, orderBy: "dateCreated DESC") {
    postDate @formatDateTime (format: "Y-m-d")
    title
    url
    ... on news_article_Entry {
      shortDescription
      featuredImage {
        url @transform (width: 300)
        altText
      }
    }
  }
}') %}

{% for entry in result.data %}
  <h3><a href="{{ entry.url }}">{{ entry.title }}</a></h3>
  <p class="timestamp">{{ entry.postDate }}</p>

  {% set image = entry.featuredImage[0] %}
  <img class="thumb" src="{{ image.url }}" alt="{{ image.altText }}">

  {{ entry.shortDescription|markdown }}
  <p><a href="{{ entry.url }}">Continue reading…</a></p>
{% endfor %}

# `head`

Outputs any scripts and styles that were registered for the “head” position. It should be placed right before your </head> tag.

<head>
  <title>{{ siteName }}</title>
  {{ head() }}
</head>

# `hiddenInput`

Generates an HTML input tag.

{{ hiddenInput('entryId', entry.id) }}
{# Output: <input type="hidden" name="entryId" value="100"> #}

You can optionally set additional attributes on the tag by passing an options argument.

{{ hiddenInput('entryId', entry.id, {
  id: 'entry-id-input'
}) }}

# `include`

Returns the rendered content of a template.

This works identically to Twig’s core include (opens new window) function.

# `input`

Generates an HTML input tag.

{{ input('email', 'email-input', '') }}
{# Output: <input type="email" name="email-input" value=""> #}

You can optionally set additional attributes on the tag by passing an options argument.

{{ input('email', 'email-input', '', {
  id: 'custom-input'
}) }}
{# Output: <input type="email" id="custom-input" name="email-input" value=""> #}

# `max`

Returns the biggest value in an array.

This works identically to Twig’s core max (opens new window) function.

# `min`

Returns the lowest value in an array.

This works identically to Twig’s core min (opens new window) function.

# `ol`

Outputs an array of items as an ordered list.

{% set titles = craft.entries()
  .section('news')
  .select('title')
  .column() %}
{{ ol(titles) }}
{# Output:
<ol>
  <li>Shocking Foo</li>
  <li>You Won’t Believe This Bar</li>
  <li>Ten Baz You Can’t Live Without</li>
</ol>
#}

# Arguments

The ol() function has the following arguments:

items – An array of items to be wrapped in <li>s. These will be HTML-encoded by default.
params – An attributes argument where each key+value will be set as attributes on the <ol>, with the exception of two special options:
- encode: false – Prevents the list items from being HTML-encoded.
- itemOptions: {...} – Tag attributes to be applied to each of the <li>s.

# `parseBooleanEnv`

Checks if a string references an environment variable ($VARIABLE_NAME) and returns the referenced boolean value, or null if a boolean value can’t be determined.

# `parseEnv`

Checks if a string references an environment variable ($VARIABLE_NAME) and/or an alias (@aliasName), and returns the referenced value.

If the string references an environment variable with a value of true or false, a boolean value will be returned.

# `plugin`

Returns a plugin instance by its handle, or null if no plugin is installed and enabled with that handle.

{{ plugin('commerce').version }}

# `raw`

Wraps the given string in a Twig\Markup object to prevent it from getting HTML-encoded when output.

{% set html = raw('<p>Don’t encode me.</p>') %}
{{ html }}

This works similarly to the raw (opens new window) filter, except that Twig will remember not to escape the HTML even if the variable is passed to another template/macro, whereas |raw filters only have an effect if used directly in an output tag.

# `redirectInput`

Output an HTML input equivalent to <input type="hidden" name="redirect" value="{{ url|hash }}">, for use in forms that POST data to Craft or a plugin.

{{ redirectInput(url) }}

The URL is typically parsed as an object template, meaning dynamic redirects are possible, based on the data being manipulated.

You can optionally set additional attributes on the resulting input tag by passing an options argument:

{{ redirectInput(url, {
  id: 'redirect-input'
}) }}

Don’t include user-provided data in redirection URLs, directly (via interpolation in a template) or indirectly (rendered in an object template).

# `renderObjectTemplate`

Evaluates a string as an object template, using the provided element, model, or hash.

{{ renderObjectTemplate('👋 Hi, {fullName}!', currentUser) }}
{# Output: 👋 Hi, Oli! #}

{{ renderObjectTemplate('✨ {foo}', { foo: "I’m a made-up hash!" }) }}
{# Output: ✨ I’m a made-up hash! #}

Do not pass user-supplied templates to the renderObjectTemplate() function!

# `seq`

Outputs the next or current number in a sequence, defined by name:

<p>This entry has been read {{ seq('hits:' ~ entry.id) }} times.</p>

Each time the function is called, the given sequence will be automatically incremented.

You can optionally have the number be zero-padded to a certain length.

{{ now|date('Y') ~ '-' ~ seq('orderNumber:' ~ now|date('Y'), 5) }}
{# Output: 2018-00001 #}

To view the current number in the sequence without incrementing it, set the next argument to false.

<h5><a href="{{ entry.url }}">{{ entry.title }}</a></h5>
<p>{{ seq('hits:' ~ entry.id, next=false) }} views</p>

# `shuffle`

Randomizes the order of the elements within an array.

{% set promos = craft.entries().section('promos').all() %}
{% set shuffledPromos = shuffle(promos) %}

{% for promo in shuffledPromos %}
  <div class="promo {{ promo.slug }}">
    <h3>{{ promo.title }}</h3>
    <p>{{ promo.description }}</p>
    <a class="cta" href="{{ promo.ctaUrl }}">{{ promo.ctaLabel }}</a>
  </div>
{% endfor %}

# `siteUrl`

Similar to url(), except only for creating URLs to pages on your site.

<a href="{{ siteUrl('company/contact') }}">Contact Us</a>

# Arguments

The siteUrl() function has the following arguments:

path – The path that the resulting URL should point to on your site. It will be appended to your base site URL.
params – Any query string parameters that should be appended to the URL. This can be either a string (e.g. 'foo=1&bar=2') or a hash (e.g. {foo:'1', bar:'2'}).
scheme – Which scheme the URL should use ('http' or 'https'). The default value depends on whether the current request is served over SSL or not. If not, then the scheme in your Site URL will be used; if so, then https will be used.
siteId – The ID of the site that the URL should point to. By default the current site will be used.

# `source`

Returns the content of a template without rendering it.

This works identically to Twig’s core source (opens new window) function.

# `successMessageInput`

Shortcut for typing <input type="hidden" name="successMessage" value="{{ 'Custom success message'|hash }}">.

{{ successMessageInput('Custom success message') }}

You can optionally set additional attributes on the tag by passing an options argument.

{{ successMessageInput('Custom success message', {
  id: 'success-message-input'
}) }}

# `svg`

Outputs an SVG document.

You can pass the following things into it:

An SVG file path.
```
{{ svg('@webroot/icons/lemon.svg') }}
```

A craft\elements\Asset (opens new window) object, such as one pulled in from an Assets field.

{% set image = entry.myAssetsField.one() %}
{% if image and image.extension == 'svg' %}
  {{ svg(image) }}
{% endif %}

Raw SVG markup.

{% set image = include('_includes/icons/lemon.svg') %}
{{ svg(image) }}

By default, if you pass an asset or raw markup into the function, the SVG will be sanitized of potentially malicious scripts using svg-sanitizer (opens new window), and any IDs or class names within the document will be namespaced so they don’t conflict with other IDs or class names in the DOM. You can disable those behaviors using the sanitize and namespace arguments:

{{ svg(image, sanitize=false, namespace=false) }}

Images passed via path/alias will not automatically be sanitized and namespaced.

You can also specify a custom class name that should be added to the root <svg> node using the attr filter:

{{ svg('@webroot/icons/lemon.svg')|attr({ class: 'lemon-icon' }) }}

Consider caching the output, especially if you’re loading SVG files from remote volumes or URLs, so Craft doesn’t download the file each time your template is rendered.

# `tag`

Renders a complete HTML tag.

{{ tag('div', {
  class: 'foo'
}) }}
{# Output: <div class="foo"></div> #}

If text is included in the attributes argument, its value will be HTML-encoded and set as the text contents of the tag.

{{ tag('div', {
  text: 'Hello'
}) }}
{# Output: <div>Hello</div> #}

If html is included in the attributes argument (and text isn’t), its value will be set as the inner HTML of the tag (without getting HTML-encoded).

Be sure you trust any input you provide via html since it could be an XSS (cross-site scripting) attack vector. It’s safer to use text wherever possible.

{{ tag('div', {
  html: 'Hello<br>world'
}) }}
{# Output: <div>Hello<br>world</div> #}

All other keys passed to the second argument will be set as attributes on the tag, using yii\helpers\BaseHtml::renderTagAttributes() (opens new window).

If an attribute is set to true, it will be added without a value.

{{ tag('input', {
  id: 'foo',
  name: 'bar',
  required: true
}) }}
{# Output: <input id="foo" name="bar" required> #}

Any attribute set to null or false will be omitted.

Attribute values are HTML-encoded automatically:

{{ tag('input', {
  name: 'bar',
  value: 'Foobar & Baz',
}) }}
{# Output: <input name="bar" value="Foobar &amp; Baz"> #}

# `ul`

Outputs an array of items as an unordered list.

{% set titles = craft.entries()
  .section('news')
  .select('title')
  .column() %}
{{ ul(titles) }}
{# Output:
<ul>
  <li>Shocking Foo</li>
  <li>You Won’t Believe This Bar</li>
  <li>Ten Baz You Can’t Live Without</li>
</ul>
#}

# Arguments

The ul() function has the following arguments:

items – An array of items to be wrapped in <li>s. These will be HTML-encoded by default.
params – An attributes argument where each key+value will be set as attributes on the <ul>, with the exception of two special options:
- encode: false – Prevents the list items from being HTML-encoded.
- itemOptions: {...} – Tag attributes to be applied to each of the <li>s.

# `url`

Returns a URL.

<a href="{{ url('company/contact') }}">Contact Us</a>

# Arguments

The url() function has the following arguments:

path – The path that the resulting URL should point to on your site. It will be appended to your base site URL.
params – Any query string parameters that should be appended to the URL. This can be either a string (e.g. 'foo=1&bar=2') or a hash (e.g. {foo:'1', bar:'2'}).
scheme – Which scheme the URL should use ('http' or 'https'). The default value depends on whether the current request is served over SSL or not. If not, then the scheme in your Site URL will be used; if so, then https will be used.
mustShowScriptName – If this is set to true, then the URL returned will include “index.php”, disregarding the omitScriptNameInUrls config setting. (This can be useful if the URL will be used by POST requests over Ajax, where the URL will not be shown in the browser’s address bar, and you want to avoid a possible collision with your site’s .htaccess file redirect.)

Using the url() function has advantages over hard-coding URLs in your templates:

Generated URLs will encourage consistency by respecting settings like addTrailingSlashesToUrls.
Your site will be more portable, making it easier to do something like move to a new domain or subdomain.
If the page has a token URL parameter, that token will automatically get appended to generated URLs to maintain preview context navigating around the site.

You can use the url() function for appending query string parameters and/or enforcing a scheme on an absolute URL:

{{ url('http://my-project.tld', 'foo=1', 'https') }}
{# Output: "https://my-project.tld?foo=1" #}

Functions

# actionInput

# actionUrl

# Arguments

# alias

# attr

# beginBody

# block

# canCreateDrafts

# canDelete

# canDeleteForSite

# canDuplicate

# canSave

# canView

# ceil

# className

# clone

# collect

# combine

# configure

# constant

# cpUrl

# Arguments

# create

# csrfInput

# dataUrl

# date

# dump

# encodeUrl

# endBody

# entryType

# expression

# failMessageInput

# fieldValueSql

# Arguments

# floor

# getenv

# gql

# head

# hiddenInput

# include

# input

# max

# min

# ol

# Arguments

# parseBooleanEnv

# parseEnv

# plugin

# raw

# redirectInput

# renderObjectTemplate

# seq

# shuffle

# siteUrl

# Arguments

# source

# successMessageInput

# svg

# tag

# ul

# Arguments

# url

# Arguments

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# `actionInput`

# `actionUrl`

# `alias`

# `attr`

# `beginBody`

# `block`

# `canCreateDrafts`

# `canDelete`

# `canDeleteForSite`

# `canDuplicate`

# `canSave`

# `canView`

# `ceil`

# `className`

# `clone`

# `collect`

# `combine`

# `configure`

# `constant`

# `cpUrl`

# `create`

# `csrfInput`

# `dataUrl`

# `date`

# `dump`

# `encodeUrl`

# `endBody`

# `entryType`

# `expression`

# `failMessageInput`

# `fieldValueSql`

# `floor`

# `getenv`

# `gql`

# `head`

# `hiddenInput`

# `include`

# `input`

# `max`

# `min`

# `ol`

# `parseBooleanEnv`

# `parseEnv`

# `plugin`

# `raw`

# `redirectInput`

# `renderObjectTemplate`

# `seq`

# `shuffle`

# `siteUrl`

# `source`

# `successMessageInput`

# `svg`

# `tag`

# `ul`

# `url`